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authorThomas Kavanagh <tkavanagh@juniper.net>2012-09-21 03:20:46 (GMT)
committerWolfram Sang <w.sang@pengutronix.de>2012-10-06 11:14:36 (GMT)
commita76e7c6821b5dddf69db9d76ec282819545f5b73 (patch)
treeb86ced7ed1c3187cf1757e0f4b5acd68b423d8a4 /fs/sysfs/Kconfig
parent0c25aefa35c2fb5592895615f77d9f6fa36a849d (diff)
downloadlinux-fsl-qoriq-a76e7c6821b5dddf69db9d76ec282819545f5b73.tar.xz
i2c: algo: pca: Fix chip reset function for PCA9665
The parameter passed to pca9665_reset is adap->data (which is bus driver specific), not i2c_algp_pca_data *adap. pca9665_reset expects it to be i2c_algp_pca_data *adap. All other wrappers from the algo call back to the bus driver, which knows to handle its custom data. Only pca9665_reset resides inside the algorithm code and does not know how to handle a custom data structure. This can result in a kernel crash. Fix by re-factoring pca_reset() from a macro to a function handling chip specific code, and only call adap->reset_chip() if the chip is not PCA9665. Signed-off-by: Thomas Kavanagh <tkavanagh@juniper.net> Signed-off-by: Guenter Roeck <groeck@juniper.net> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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